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Mathematics K–10 · Year 7
46 lessons in this selection
Learning tree for Mathematics K–10 · Year 7 46 skills · 10 topics · builds on 18 skills from earlier years
Stage 4 · Years 7–8
- Integers, ratios and percentages:
7 of 7 skills with lesson material - Algebraic techniques and linear equations:
12 of 12 skills with lesson material - Fractions, decimals and percentages (Stage 4):
4 of 4 skills with lesson material - Primes and indices:
3 of 3 skills with lesson material - Angle relationships and circles:
4 of 4 skills with lesson material - Length, area and volume (Stage 4):
3 of 3 skills with lesson material - Geometrical figures and parallel lines:
3 of 3 skills with lesson material - Right-angled triangles (Pythagoras):
1 of 1 skills with lesson material - Probability experiments:
4 of 4 skills with lesson material - Data classification and analysis:
5 of 5 skills with lesson material
- Integers, ratios and percentages:
Integers, ratios and percentages
- Orders, adds and subtracts positive and negative integersBuilds on: Places numbers up to 100 on a number line (Years 1–2); Subtracts two-digit numbers with and without regrouping (Years 1–2)
- Applies the order of operations to whole-number calculationsBuilds on: Multiplies two- and three-digit numbers by a one-digit number (Years 3–4); Divides two- and three-digit numbers by a one-digit number, with remainders (Years 3–4)
- Simplifies ratios and divides a quantity in a given ratioBuilds on: Finds equivalent fractions using models and multiplication (Years 5–6); Divides two- and three-digit numbers by a one-digit number, with remainders (Years 3–4)
- Calculates a percentage of a quantity, including discountsBuilds on: Converts between fractions, decimals and percentages (Years 5–6); Adds, subtracts and multiplies decimals (Years 5–6)
- Multiplies and divides integers, including with the order of operationsBuilds on: Orders, adds and subtracts positive and negative integers; Applies the order of operations to whole-number calculations
- Uses rates to compare quantities, including best buys and speedBuilds on: Simplifies ratios and divides a quantity in a given ratio; Divides decimals by whole numbers and by decimals
- Interprets distance–time graphsBuilds on: Uses rates to compare quantities, including best buys and speed; Plots and reads points in all four quadrants of the Cartesian plane (Years 5–6)
Algebraic techniques and linear equations
- Describes number patterns and writes the ruleBuilds on: Recalls multiplication facts to 10 × 10 (Years 3–4)
- Uses algebraic notation with pronumeralsBuilds on: Describes number patterns and writes the rule; Applies the order of operations to whole-number calculations
- Simplifies algebraic expressions by collecting like termsBuilds on: Uses algebraic notation with pronumerals
- Solves one-step linear equationsBuilds on: Uses algebraic notation with pronumerals; Orders, adds and subtracts positive and negative integers
- Plots straight-line graphs from a table of valuesBuilds on: Uses algebraic notation with pronumerals; Plots and reads points in all four quadrants of the Cartesian plane (Years 5–6)
- Substitutes values into algebraic expressions and formulasBuilds on: Uses algebraic notation with pronumerals; Orders, adds and subtracts positive and negative integers
- Expands expressions with brackets using the distributive lawBuilds on: Simplifies algebraic expressions by collecting like terms
- Finds the gradient and y-intercept and writes the equation of a lineBuilds on: Plots straight-line graphs from a table of values
- Solves quadratic equations of the form ax² = cBuilds on: Solves one-step linear equations; Calculates squares, cubes, square roots and cube roots
- Solves two-step linear equations, including with bracketsBuilds on: Solves one-step linear equations; Expands expressions with brackets using the distributive law
- Factorises algebraic expressions using the highest common factorBuilds on: Expands expressions with brackets using the distributive law
- Solves linear equations graphically using the point of intersectionBuilds on: Plots straight-line graphs from a table of values; Solves two-step linear equations, including with brackets
Fractions, decimals and percentages (Stage 4)
- Multiplies and divides fractions and mixed numeralsBuilds on: Finds equivalent fractions using models and multiplication (Years 5–6); Multiplies two- and three-digit numbers by a one-digit number (Years 3–4)
- Divides decimals by whole numbers and by decimalsBuilds on: Adds, subtracts and multiplies decimals (Years 5–6); Divides two- and three-digit numbers by a one-digit number, with remainders (Years 3–4)
- Expresses one quantity as a fraction or percentage of anotherBuilds on: Converts between fractions, decimals and percentages (Years 5–6); Calculates a percentage of a quantity, including discounts
- Calculates percentage increase and decrease, including GSTBuilds on: Calculates a percentage of a quantity, including discounts
Primes and indices
- Expresses whole numbers as products of their prime factorsBuilds on: Recalls multiplication facts to 10 × 10 (Years 3–4); Divides two- and three-digit numbers by a one-digit number, with remainders (Years 3–4)
- Calculates squares, cubes, square roots and cube rootsBuilds on: Recalls multiplication facts to 10 × 10 (Years 3–4); Expresses whole numbers as products of their prime factors
- Uses index notation and applies the index laws with numerical basesBuilds on: Expresses whole numbers as products of their prime factors; Calculates squares, cubes, square roots and cube roots
Angle relationships and circles
- Calculates the circumference and area of circlesBuilds on: Uses formulas to find the area of rectangles and triangles (Years 5–6); Adds, subtracts and multiplies decimals (Years 5–6)
- Finds the area of composite shapesBuilds on: Uses formulas to find the area of rectangles and triangles (Years 5–6); Calculates the circumference and area of circles
- Calculates the volume of prisms and cylindersBuilds on: Calculates the volume of rectangular prisms (Years 5–6); Calculates the circumference and area of circles
- Finds unknown angles using angles at a point, on a line and in trianglesBuilds on: Measures and draws angles with a protractor (Years 5–6); Solves one-step linear equations
Length, area and volume (Stage 4)
- Calculates perimeters of plane shapes, including composite figuresBuilds on: Calculates the perimeter of rectangles and simple shapes (Years 3–4); Adds, subtracts and multiplies decimals (Years 5–6)
- Uses formulas to find the area of parallelograms, trapeziums, rhombuses and kitesBuilds on: Uses formulas to find the area of rectangles and triangles (Years 5–6)
- Calculates the volume and capacity of right prisms with various cross-sectionsBuilds on: Calculates the volume of rectangular prisms (Years 5–6); Uses formulas to find the area of parallelograms, trapeziums, rhombuses and kites
Geometrical figures and parallel lines
- Classifies triangles and quadrilaterals using their side, angle and symmetry propertiesBuilds on: Measures and draws angles with a protractor (Years 5–6)
- Uses the angle sum of a quadrilateral to find unknown anglesBuilds on: Finds unknown angles using angles at a point, on a line and in triangles; Classifies triangles and quadrilaterals using their side, angle and symmetry properties
- Finds unknown angles formed when parallel lines are cut by a transversalBuilds on: Finds unknown angles using angles at a point, on a line and in triangles
Right-angled triangles (Pythagoras)
- Applies Pythagoras' theorem to find unknown sides in right-angled trianglesBuilds on: Finds unknown angles using angles at a point, on a line and in triangles; Calculates squares, cubes, square roots and cube roots
Probability experiments
- Calculates theoretical probabilities for single-step experimentsBuilds on: Assigns probabilities to simple events as fractions (Years 5–6); Converts between fractions, decimals and percentages (Years 5–6)
- Runs experiments and compares relative frequency with theoretical probabilityBuilds on: Calculates theoretical probabilities for single-step experiments
- Uses tables and tree diagrams for two-step experimentsBuilds on: Calculates theoretical probabilities for single-step experiments
- Uses complementary events to calculate probabilitiesBuilds on: Calculates theoretical probabilities for single-step experiments
Data classification and analysis
- Classifies data as categorical or numerical, discrete or continuousBuilds on: Collects data and sorts objects into categories (Years 1–2)
- Chooses appropriate measures of centre and spread, including the effect of outliersBuilds on: Calculates the mean, median, mode and range of a data set (Years 5–6)
- Constructs and interprets dot plots and stem-and-leaf plotsBuilds on: Classifies data as categorical or numerical, discrete or continuous; Draws and interprets column graphs (Years 3–4)
- Constructs frequency tables and histograms for numerical dataBuilds on: Classifies data as categorical or numerical, discrete or continuous; Records data in tables using tally marks (Years 3–4)
- Describes the shape of data distributions, including symmetry, clusters and outliersBuilds on: Constructs and interprets dot plots and stem-and-leaf plots; Chooses appropriate measures of centre and spread, including the effect of outliers
- Each arrow points from a skill to one that builds on it
- From an earlier year — optional
Sequence: NSW syllabus, as used on the learning platform for Mathematics K–10; detailed outcome alignment for NSW is not verified.
Number and algebraIntegers, ratios and percentages
Choose a lesson to see its structure.
Orders, adds and subtracts positive and negative integersStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Applies the order of operations to whole-number calculationsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Simplifies ratios and divides a quantity in a given ratioStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Calculates a percentage of a quantity, including discountsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Multiplies and divides integers, including with the order of operationsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Uses rates to compare quantities, including best buys and speedStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Interprets distance–time graphsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Number and algebraAlgebraic techniques and linear equations
Choose a lesson to see its structure.
Describes number patterns and writes the ruleStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Uses algebraic notation with pronumeralsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Simplifies algebraic expressions by collecting like termsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Expands expressions with brackets using the distributive lawStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Solves one-step linear equationsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Solves two-step linear equations, including with bracketsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Plots straight-line graphs from a table of valuesStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Finds the gradient and y-intercept and writes the equation of a lineStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Substitutes values into algebraic expressions and formulasStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Factorises algebraic expressions using the highest common factorStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Solves quadratic equations of the form ax² = cStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Solves linear equations graphically using the point of intersectionStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Number and algebraFractions, decimals and percentages (Stage 4)
Choose a lesson to see its structure.
Multiplies and divides fractions and mixed numeralsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Divides decimals by whole numbers and by decimalsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Expresses one quantity as a fraction or percentage of anotherStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Calculates percentage increase and decrease, including GSTStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Number and algebraPrimes and indices
Choose a lesson to see its structure.
Expresses whole numbers as products of their prime factorsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Calculates squares, cubes, square roots and cube rootsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Uses index notation and applies the index laws with numerical basesStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Measurement and spaceAngle relationships and circles
Choose a lesson to see its structure.
Finds unknown angles using angles at a point, on a line and in trianglesStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Calculates the circumference and area of circlesStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Finds the area of composite shapesStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
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Calculates the volume of prisms and cylindersStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
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- StrongLearning subscription
- ExceedingLearning subscription
Measurement and spaceLength, area and volume (Stage 4)
Choose a lesson to see its structure.
Calculates perimeters of plane shapes, including composite figuresStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Uses formulas to find the area of parallelograms, trapeziums, rhombuses and kitesStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
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- StrongLearning subscription
- ExceedingLearning subscription
Calculates the volume and capacity of right prisms with various cross-sectionsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Measurement and spaceGeometrical figures and parallel lines
Choose a lesson to see its structure.
Classifies triangles and quadrilaterals using their side, angle and symmetry propertiesStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Uses the angle sum of a quadrilateral to find unknown anglesStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
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- StrongLearning subscription
- ExceedingLearning subscription
Finds unknown angles formed when parallel lines are cut by a transversalStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
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- StrongLearning subscription
- ExceedingLearning subscription
Measurement and spaceRight-angled triangles (Pythagoras)
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Applies Pythagoras' theorem to find unknown sides in right-angled trianglesStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Statistics and probabilityProbability experiments
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Calculates theoretical probabilities for single-step experimentsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
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- StrongLearning subscription
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Runs experiments and compares relative frequency with theoretical probabilityStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
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- StrongLearning subscription
- ExceedingLearning subscription
Uses tables and tree diagrams for two-step experimentsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
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- StrongLearning subscription
- ExceedingLearning subscription
Uses complementary events to calculate probabilitiesStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Statistics and probabilityData classification and analysis
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Classifies data as categorical or numerical, discrete or continuousStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Constructs and interprets dot plots and stem-and-leaf plotsStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Constructs frequency tables and histograms for numerical dataStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Chooses appropriate measures of centre and spread, including the effect of outliersStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Describes the shape of data distributions, including symmetry, clusters and outliersStructure
- Introduction
- Prerequisite review
- The idea
- Worked examples
- Practice set
- Common errors
- Extension
- StartingLearning subscription
- DevelopingLearning subscription
- StrongLearning subscription
- ExceedingLearning subscription
Curriculum details for Mathematics K–10
NSW school sequence.
Stage 4 in the NSW source sequence · Years 7–8.
The Mathematics K–10 collection follows its named source sequence; detailed outcome alignment for New South Wales is not verified.
In Mathematics K–10, some source stages span two years and share lessons; choose a topic within the selected year level and revisit its foundation explanations when needed.
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